A class observation day was scheduled to be held in Gaku's class. However, Gaku was worried that if Hayato took a day off to attend, it would cause inconvenience at his workplace and increase his workload.
So yes, I'm sure.
Ich bin mir der Bedeutung im Klaren.
Estoy muy seguro.
Je changerai pas d’avis.
Quindi sì, ne sono sicuro.
Por isso, estou decidido.
Я готов!